Ecosystems 0.0 / 5 ? BiologyEcology and Environmental ScienceGCSEEdexcel Created by: TillyGarfootCreated on: 10-04-19 17:38 Classification Dividing living organisms into groups based on their similarities with each other and differences with others 1 of 19 What are the five kingdoms? Prokaryotes bacteria, plants eukaryotes, animals eukaryotes, fungi eukaryotes an protists eukaryotes 2 of 19 The Hierarchical System Kingdom, phylum, class, order, family, genus, species 3 of 19 Bacteria Cells with no nucleus and no unused parts of DNA 4 of 19 Archaea Cells with no nucleus but some parts of the DNA are unused 5 of 19 Eukarya Cells with a nucleus and some DNA parts are unused 6 of 19 Individual A single organism 7 of 19 Population All the organisms of one species living in the same habitat 8 of 19 Community All the populations of organisms that live in an area or ecosystem 9 of 19 Ecosystem All the organisms and physical factors in a fairly self contained area such as a lake 10 of 19 Interdependence Organisms depend on each other for things like food and shelter in order to survive and reproduce 11 of 19 Parasitic relationship A relationship where the parasite lives off another organism, the host, harming if and possibly causing death. 12 of 19 Mutualistic relationship A relationship when two organisms of different species work together, each benefiting from the relationship 13 of 19 Food chain A chart showing the flow of energy from one organism to the next beginning with a producer 14 of 19 Energy transfer - efficiency equation Energy transferred to next level / energy available at previous level (x100) 15 of 19 Competition The battle for available resources between organisms that live in the same place 16 of 19 Habitat Where an organism lives 17 of 19 Abundance The number of organisms of a particular species in an area, related to the population size 18 of 19 Belt transect A method of studying the effect of abiotic factors on the abundance of low growing plants 19 of 19
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